Prolific Student

{b} or 2 life: A creature you control gains
Deathtouch until end of turn.
{1}{b}: You gain 2 life and draw a card, then
discard a card.
{2}{b}: Return a non-land non-artifact card from
your graveyard to your hand.
{2}{b}{b}: Return target creature card from your
graveyard to the battlefield, then you loose life
equal to half it's mana cost rounded down.
{4}{b}{b}: Destroy target non-land permanent.